From that land he went into Assyria, and built Nin′eveh, Reho′both-Ir, Calah, and
Resen between Nin′eveh and Calah; that is the great city.Genesis 10:12 RSV
The beginning of his kingdom was Babel, Erech, and Accad, all of them in the land of Shinar.Genesis 10:10 RSV